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Outdoor PIR intermitant fault
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<blockquote data-quote="Doc Hudson" data-source="post: 466085" data-attributes="member: 1607"><p>I would agree with what Binky said, IMHO combined lamp PIR units are more hassle than they are worth. Even more so with LED lights as you have the added LED driver circuity in the possible causes of failure as well. Last year I had a client with separate PIR / Lamp fault where the lamp when triggered started flashing on/off every few seconds due to an LED driver failure. As it was separate PIR / Lamp is was easy to diagnose the lamp was faulty not the PIR. Also as PIRs tend to have a detection range anything from 5m, 8m or 12m if you cannot control its direction and sensitivity easily light pollution can become a pain for the neighbours. I have lost count of the number of DIY front drive combined PIR security lights I have seen, where cars in the road, and pedestrians walking on the opposite pavement, can still trigger the light that was only meant to be activated when you were approaching the garage door. The sensitivity controls and the directional beam of any half decent stand alone PIR far outweighs any perceived saving of a combined PIR lamp.</p><p></p><p>Doc H</p></blockquote><p></p>
[QUOTE="Doc Hudson, post: 466085, member: 1607"] I would agree with what Binky said, IMHO combined lamp PIR units are more hassle than they are worth. Even more so with LED lights as you have the added LED driver circuity in the possible causes of failure as well. Last year I had a client with separate PIR / Lamp fault where the lamp when triggered started flashing on/off every few seconds due to an LED driver failure. As it was separate PIR / Lamp is was easy to diagnose the lamp was faulty not the PIR. Also as PIRs tend to have a detection range anything from 5m, 8m or 12m if you cannot control its direction and sensitivity easily light pollution can become a pain for the neighbours. I have lost count of the number of DIY front drive combined PIR security lights I have seen, where cars in the road, and pedestrians walking on the opposite pavement, can still trigger the light that was only meant to be activated when you were approaching the garage door. The sensitivity controls and the directional beam of any half decent stand alone PIR far outweighs any perceived saving of a combined PIR lamp. Doc H [/QUOTE]
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Outdoor PIR intermitant fault
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